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Showing: 1 to 10 of 1760 matches for "gabbro"  Page   1   2   3   4   5   6   7   8   9  next TITLE Geophysics - Significance of Geochemical Distribution Trends in Soil  SUMMARY ... G EOCHEMICAL investigation of trace elements in surface materials was begun near Ely, Minn., in 1953 along the basal contact of Duluth gabbro with Giants Range ... AUTHOR Yardley, D. H. PUBLISHED 1959 TITLE Discussion of Papers Published Prior to July 1962 - Magnetic Tactonites of the Eastern Mesabi District, Minnesota (AIME Transactions, 1961, vol. 220, p. 227)  SUMMARY ... JN Gundersen and GM Schwartz should have conclude that the taconite of the Eastern Mesabi before the intrusion of the Duluth gabbro consisted largely of quartz ... AUTHOR Gundersen, J. N. ; Schwartz, G. M. PUBLISHED 1962 TITLE Drilling Innovations Benefit Quarry Operator  SUMMARY ... QUARRY OPERATOR by W. JULIAN PARTON G eneral Crushed Stone Co. operates a dozen quarries in such rock types as gabbro, basalt, granite and limestone. ... AUTHOR Parton, W. Julian PUBLISHED 1963 TITLE Geologic Mapping With The Aid Of Magnetics, Tahawus Area, New York  SUMMARY ... I . The' titaniferous magnetite ore body at Sanford Hill is associated with gabbro occurring in anorthosite. The contrast in the magnetic ... ' .\ Gabbro ... AUTHOR Heyburn, Malcolm PUBLISHED 1961 TITLE Premier mine draw control and underground vehicle monitoring and control system  SUMMARY ... The Premier Mine kimberlite pipe is unique in that it is intersected by a 75 m thick gabbro sill at a depth of 400 m below surface. ... AUTHOR Nesbitt, K. ; Voster, J. A. PUBLISHED 2001 TITLE Mineral Investigation Of The Agua Tibia Wilderness Study Area (BLM No. 060-002), Riverside County, California  SUMMARY ... Study Area (WSA). The area is underlain mainly by weakly foliated gabbro ... WSA. Nearby quarries in the gabbro have yielded rock for facing and dimension stone. ... AUTHOR Cather, Eric E. PUBLISHED 1984 TITLE The Wing Hill Garnet Deposit Of Rangeley, Maine And Its Relationship To World Markets  SUMMARY ... The Wing Hill Garnet Deposit, located near Rangeley, Maine, forsed through assimilation of Early Paleozoic metasediments by an intrusive Devonian gabbro. ... AUTHOR O'Connor, Michael P. PUBLISHED 1985 TITLE Concentration - Mill Flowsheets and Practices - Metallurgy at National Lead Company, MacIntyre Development (Mining Tech., May 1948, TP 2355, with discussion)  SUMMARY ... High grade coarse-grained gabbro ore. ... The gabbro waste is generally finer grained, and contains, in addition to feldspar, 35 to - 47 35 40 40 25 37 ... AUTHOR Milliken, Frank R. PUBLISHED 1949 TITLE Metallurgy At National Lead Company, MacIntyre Development  SUMMARY ... New York, on the headwaters of the Hud- The gabbro waste is generally finer grained, -- and contains, in addition to feldspar, 35 to Local Name ... AUTHOR Milliken, Frank R. PUBLISHED 1947 TITLE An Archaean Nickel Sulphide Occurrence at Miriam, Western Australia  SUMMARY ... Local areas of shear, biotitization and carbonatization are almost always associated with intrusions of dolerite or gabbro. DOLERITE ... AUTHOR Hudson D R ; Gemuts I PUBLISHED 1973 Showing: 1 to 10 of 1760 matches for "gabbro"  Page   1   2   3   4   5   6   7   8   9  next Search Again